New 3662-20, 3663-20 LASER LIGHT SOURCE · 2020. 1. 3. · The 3662-20 and 3663-20 LASER LIGHT...

INSTRUCTION MANUAL

LASER LIGHT SOURCE

3662-203663-20

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Tequipment

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i

Contents

Introduction ............................................................. 1Inspection ............................................................... 1Safety Notes ........................................................... 2Usage Notes ........................................................... 4

Chapter 1 Overview 7

1.1 Product Overview ................................... 71.2 Features .................................................. 71.3 Parts Names and Functions ................... 8

Chapter 2 Measurement Procedures 11

2.1 Connecting Connectors ........................ 112.1.1 Connecting FC-Type Connector ....... 122.1.2 Connecting SC-Type Connector ...... 13

2.2 Turning ON/OFF Power ........................ 142.3 Output Modulation ................................ 15

Chapter 3 Specifications 17

3.1 Optical Output Specifications ................ 173.2 General Specifications .......................... 18

ii

Chapter 4 Maintenace and Service 19

4.1 Battery Replacement .............................194.2 Attaching/Detaching Connector Adapter ..214.3 Attaching the Strap ................................234.4 Cleaning ................................................24

4.4.1 Cleaning the Product .........................244.4.2 Cleaning Optical Output Terminal .....244.4.3 Cleaning Cable Connector ................26

4.5 Service ..................................................27

Chapter 5 Appendix 29

5.1 Options ..................................................29

1

Thank you for purchasing the HIOKI “3662-20,3663-20 LASER LIGHT SOURCE”. To obtain max-imum performance from the product, please readthis manual first, and keep it handy for future refer-ence.

When you receive the product, inspect it carefullyto ensure that no damage occurred during ship-ping. In particular, check the accessories, panelswitches, and connectors. If damage is evident, orif it fails to operate according to the specifications,contact your dealer or Hioki representative.

AccessoriesCarrying case....................................................1LR6 alkaline battery ..........................................2Strap .................................................................1Instruction manual ............................................1

Before using the productBefore using the product the first time, verify that itoperates normally to ensure that the no damageoccurred during storage or shipping. If you find anydamage, contact your dealer or Hioki representa-tive.

Introduction

Inspection

2

This manual contains information and warningsessential for safe operation of the product and formaintaining it in safe operating condition. Beforeusing the product, be sure to carefully read the fol-lowing safety notes.

Safety Symbols

Safety Notes

This product is designed to conform to IEC61010 Safety Standards, and has been thor-oughly tested for safety prior to shipment.However, mishandling during use couldresult in injury or death, as well as damage tothe product. Be certain that you understandthe instructions and precautions in the man-ual before use. We disclaim any responsibil-ity for accidents or injuries not resultingdirectly from product defects.

In the manual, the symbol indicates particu-larly important information that the user should read before using the product.

The symbol printed on the product indicates that the user should refer to a corresponding topic in the manual (marked with the symbol) before using the relevant function.

3

Laser Safety Information

The following symbols in this manual indicate therelative importance of cautions and warnings.

Other Symbols

The 3662-20 and 3663-20 LASER LIGHT SOURCEs are both Class 1 laser products con-forming to IEC60825-1:2001.

CLASS 1 LASER PRODUCT

FDA (CDRH)

Indicates that incorrect operation presents an ex-treme hazard that could result in serious injury or death to the user.

Indicates that incorrect operation presents a sig-nificant hazard that could result in serious injury or death to the user.

Indicates that incorrect operation presents a pos-sibility of injury to the user or damage to the prod-uct.

Advisory items related to performance or correct operation of the product.

Indicates the prohibited action

v Indicates the reference

4

Follow these precautions to ensure safe operationand to obtain the full benefits of the various func-tions.

Usage Notes

A laser beam is output from the laser outputconnector during operation. The laser beamis invisible. To prevent eye damage, do notlook directly into the connector or look at itthrough a magnifying glass while the poweris on.

5

• Do not store or use the product where it couldbe exposed to direct sunlight, high temperatureor humidity, or condensation. Under such condi-tions, the product may be damaged and insula-tion may deteriorate so that it no longer meetsspecifications.

• To avoid damage to the product, do not allowthe product to get wet, and do not use it whenyour hands are wet.

• Do not use the product where it may be exposedto corrosive or combustible gases. The productmay be damaged.

• To avoid damage to the product, protect it fromvibration or shock during transport and handling,and be especially careful to avoid dropping.

• The mating portions of the laser output connec-tor ferrule and of the connector adapter arehigh-precision machined parts. Make sure thatthese portions are free of dust or other foreignmatter when connecting them. In particular, theoptical output connector ferrule requires meticu-lous care. If there is dust in the interface or ascratch on the optical output connector ferrule,the 3662-20/3663-20 may not satisfy perfor-mance specifications.

Direct sunlight

High temperatureHigh humidity

Dust

• After use, always turn OFF the power.• Be sure to replace the cap to protect the device

from dust when the 3662-20/3663-20 is not inuse.

• The Battery replacement indicator appears whenbattery voltage becomes low. Replace the batter-ies as soon as possible.

• Use the specified battery (LR6 alkaline battery)only. Other batteries (manganese batteries, forexample) run out more quickly than alkaline bat-teries.

6

Handling Optical Fiber Cable

Follow the precautions below to prevent damageto the optical fiber cables.

• Do not insert at an angle.

• Do not bend the cable at the neck of the con-nector.

• Do not bend or twist.

• Do not pull forcefully.

• Do not allow cable to kink.

• Do not touch the end face (ferrule).

71.1 Product Overview

The 3662-20/3663-20 LASER LIGHT SOURCE isa Class 1 laser source used to measure the opticalloss of optical fiber cables. The laser source isdesigned to be used with an optical power meter.The laser source is available in two output wave-lengths: 1,550 nm (3662-20) and 1,310 nm (3663-20).

Output Modulation (CHOP)This function modulates a laser output (CHOPmode, duty ratio of 50%). The modulation fre-quency may be selected from among the followingoptions: continuous wave (CW), 270 Hz, 1 kHz,and 2 kHz.

Overview Chapter 11.1 Product Overview

1.2 Features

1.3 Parts Names and Functions8

1.3 Parts Names and Functions

Front

(The figure shows the 3662-20.)

Connector adapter

Laser output indicator

Battery re-placement indicator

Power Switch Output Modula-tion Switch

Cap

The names of the parts and the functions are thesame for the 3663-20.

91.3 Parts Names and Functions

Connector adapter

This is attached to the laser output connec-tor ferrule. Use the FC type or SC typedepending on the connector type of thecable to be connected (optional).


When a laser beam is output, this indicatorlights steadily when CW is selected with theoutput modulation switch and blinks when amodulated beam (270 Hz, 1 kHz, or 2 kHz)is selected.

Battery replacement indicator

Blinks when the battery is low

Power Switch Turns power ON/OFF to the 3662-20/3663-20

Output Modulation Switch

Selects CW, 270 Hz, 1 kHz, or 2 kHz

Cap Protects the laser output connector and theconnector adapter from dust and damage.Be sure to replace when the 3662-20/3663-20 is not in use.

1.3 Parts Names and Functions10

Rear

SetscrewSetscrew to fasten thebattery cover

Battery coverCover for the battery

4.1 "Battery Replacement"(19 page)

Upper

Laser output connector ferruleConnector ferrule for laser beamoutput

112.1 Connecting Connectors

Measurement Procedures Chapter 2


• A laser beam is output from the laser outputconnector ferrule during operation. The laserbeam is invisible. To prevent eye damage, donot look directly into the connector or look at itthrough a magnifying glass while the power ison.

• Make sure that the mating portions are free ofdust or other foreign matter when connecting aoptical fiber cable to the 3662-20/3663-20. Inparticular, the end face (ferrule) requires meticu-lous care. If there is dust in the interface or ascratch on the end face, the measurement maynot be accurate.

Always clean the optical connector end face(ferrule) of the optical fiber cable beforeconnecting.

2.1 Connecting Connectors12

2.1.1 Connecting FC-Type Connector

1. Insert the end face (ferrule) of the optical fiber cable into the connector adapter on the 3662-20/3663-20.Make sure that the protrusion of the cable con-nector fits into the hole of the connector adapter.

2. Rotate the knurled nut (connecting nut) totighten.

Optical fiber cable3662-20（3663-20）

12


2.1.2 Connecting SC-Type Connector

Insert the end face (ferrule) of the optical fibercable into the connector adapter on the 3662-20/3663-20.Make sure that the protrusion of the cable connec-tor fits into the hole of the connector adapter.

9735/9736/9737 OPTICAL FIBER CABLESpecifications

3662-20（3663-20）

Optical fiber cable

The 9735, 9736, and 9737 (optional) are opticalfiber cables with an ordinary optical connector.(They are not equipped with a master connector.)

Cable 1.3 μm-band single-mode opticalfiber cable

Connection loss

0.5 dB or less

Return loss 45.0 dB or moreMinimum bending radius

30 mm (Do not allow to remainbent for a long time.)

2.2 Turning ON/OFF Power14

Power ONTurn on the power switch.

The laser output indicator will light up or start blink-ing and the laser output connector will output alaser beam.

Power OFFTurn off the power switch.

2.2 Turning ON/OFF Power

If the battery replacement indicator is blinkingwhen power is turned on, the battery is runninglow. Replace with a new battery.

4.1 "Battery Replacement" (19 page)

152.3 Output Modulation

The laser output may be selected between a con-tinuous wave (CW) and a 270 Hz, 1 kHz, or 2 kHzmodulated wave (CHOP). The laser output indica-tor stays on when it is a continuous wave. Theindicator blinks when it is a modulated.

2.3 Output Modulation

Continuouswave

Continuous wave (CW)The laser output indicator stays on.

270Hz/1kHz/2kHz

Duty ratio of 50%Modulated beam (CHOP) at thedisplayed frequencyThe laser output indicator blinks.

(The figure shows the 3662-20.)


Output ModulationSwitch

The names of the parts and the functions are thesame for the 3663-20.

2.3 Output Modulation16

173.1 Optical Output Specifications

*Common conditions: Single-mode fiber, FC master connector, PC pol-ishing, and 2 meter-cable output end

Specifications Chapter 33.1 Optical Output Specifications

Luminous element

Laser diode

Output connector FC, SC(Using the optional connector adapter)

Applicable fiber Single-mode fiberOutput mode Continuous wave (CW)

270 Hz/ 1 kHz/ 2 kHz modulated (CHOP)Output wavelength*

3662-20: 1550 ± 20 nm3663-20: 1310 ± 20 nm(Ambient temperature: 23 ±5°C (73±41°F))

Spectrum width* 5 nm or less (Ambient temperature: 23±5°C (73±41°F), RMS (σ: -20 dB))

Output level* -6 ± 2 dBm(Ambient temperature: 23 ±5°C (73±41°F))

Output-level stability*

Within ± 0.1 dB (Constant when the ambient temperature iswithin 23 ±5°C (73±41°F). 5 minutes)

Output-level stability*

Within 1.0 dBp-p (Ambient temperature: 0 to40°C (32 to 104°F), 8 hours)

Operating temperature and humidity for guar-anteed accuracyPeriod of guaran-teed accuracy

23 ± 5°C (73±41°F), 80%RH or less

1 year

3.2 General Specifications18

3.2 General SpecificationsRated power supply

DC1.5 V X 2LR6 alkaline battery 1.5 V X 2

Maximum rated power

0.6 VA

Operating time 3662-20: Approx. 20 hours3663-20: Approx. 36 hours (Ambient tempera-ture of 23°C (73°F) with a continuous beam)

Additional Functions

Battery check function (The battery replacement indicator blinks when thebattery voltage is low.)

Size Approx. 76W X 159H X 35D mm (2.99"W X6.26"H X 1.38"D) (excluding projections)

Weight Approx. 180 g (6.3 oz.) (excluding batteries)Operating temperature and humidity

0 to 40°C (32 to 104°F), 80%RH or less (no condensation)

Storage temperature and humidity

-10 to 50°C (14 to 122°F), 80%RH or less (no condensation)

Operating Environment

Indoors, altitude up to 2000 m (6562 feet)

Applicable Standards

Safety EN61010-1:2001 Pollution Degree 2EMC EN61326:1997+A1:1998+A2:2001+

A3:2003Laser IEC 60825-1:2001 Class 1 laserComplies with 21 CFR 1040.10 and 1040.11 exceptfor deviations pursuant to Laser Notice No.50,dated July 26,2001.

Accessories Carrying case ............................................ 1LR6 alkaline battery................................... 2Strap.......................................................... 1Instruction manual ..................................... 1

Options 9730 CARRYING CASE9733 FC CONNECTOR ADAPTER9734 SC CONNECTOR ADAPTER9735 FC-FC OPTICAL FIBER CABLE9736 SC-SC OPTICAL FIBER CABLE9737 SC-FC OPTICAL FIBER CABLE9738 OPTICAL CONNECTOR CLEANER9739 SPARE CLEANER

194.1 Battery Replacement

Maintenace and Service Chapter 4

Never modify the 3662-20/3663-20. Also, disas-sembly or repairs must be performed by qualifiedservice engineers only. Observing these precau-tions will prevent fire, electrical shock, injury, orexposure to optical radiation.

4.1 Battery Replacement

• Do not mix old and new batteries, or differenttypes of batteries. Also, be careful to observebattery polarity during installation. Otherwise,poor performance or damage from battery leak-age could result.

• After replacing the batteries, replace the coverand screws before using the product.

• To avoid the possibility of explosion, do not shortcircuit, disassemble or incinerate batteries.

• Handle and dispose of batteries in accordancewith local regulations.

• To avoid corrosion from battery leakage, removethe batteries from the product if it is to be storedfor a long time.

• If a optical fiber cable is bent or twisted, this mayresult in damage to the cable. Be sure to discon-nect the optical fiber cable before replacing thebattery.

4.1 Battery Replacement20

If the battery replacement indicator is blinkingwhen power is turned on, the battery is runninglow. Replace with a new battery.

1. Turn off power and disconnect the optical fibercable from the 3662-20/3663-20.

2. Remove the setscrew and open the batterycover.

3. Replace both batteries.4. Replace the battery cover and tighten the set-

screw.

• The battery replacement indicator appears whenbattery voltage becomes low. Replace the batter-ies as soon as possible.

• Use the specified battery (LR6 alkaline battery)only. Other batteries, (manganese batteries, forexample) run out more quickly than alkaline bat-teries.

214.2 Attaching/Detaching Connector Adapter

4.2 Attaching/Detaching Connector Adapter


• Make sure that power of the 3662-20/3663-20 isoff when replacing the connector adapter. Whilepower is on, do not look into the optical outputconnector. The laser beam may damage theeye. The laser beam is not visible.

4.2 Attaching/Detaching Connector Adapter22

Attachment Procedure1. Make sure that power to the 3662-20/3663-20 is

off.2. Insert the connector adapter into the end face

(ferrule) of the laser output connector. Makesure to push in the connector adapter deepenough so that the lock lever will be on the rearof the 3662-20/3663-20.

3. Push in the connector adapter fully and turn thelock lever to the rear. (Make sure that the lock isengaged.)

Detaching Procedure1. Push the lock lever to the front of the 3662-20/

3663-20 to unlock.2. Gently draw out the connector adapter.

9733 FC CONNECTOR 9734 SC CONNECTOR

32

32

ADAPTER ADAPTER

Be sure to replace the cap of the 3662-20/3663-20and the adapter's dust cap for protection againstdamage and dust when the 3662-20/3663-20 isnot in use.

234.3 Attaching the Strap

Use the strap to carry the instrument, or to hang itup at the installation location.

4.3 Attaching the Strap

Attach both ends of the strap securely to theinstrument. If insecurely attached, the instrumentmay fall and be damaged when carrying.

Attaching the strap

3662-20(3663-20)

Pass the strap through thestrap hole of the 3662-20/3663-20 as shown in the fig-ure.

4.4 Cleaning24

4.4.1 Cleaning the Product

To clean the product, wipe it gently with a soft clothmoistened with water or mild detergent. Never usesolvents such as benzene, alcohol, acetone, ether,ketones, thinners or gasoline, as they can deformand discolor the case.

4.4.2 Cleaning Optical Output Terminal

4.4 Cleaning


• When cleaning the optical output connector,make sure that power to the laser source is off.While power is on, do not look directly into theconnector or look at it through a magnifyingglass. The laser beam may damage the eye.The laser beam is not visible.

254.4 Cleaning

1. Detach the connector adapter.2. Gently wipe the laser output connector (ferrule,

end face) and the surrounding area using a newcotton swab, a soft lint-proof cloth, or an opticalconnector cleaner (stick). Blow any fibers left onthe end face (ferrule) with a blower brushdesigned for optical lenses. If necessary, cleanwith a new cotton swab moistened with isopro-pyl alcohol and wipe with a soft lint-proof cloth. Blow any fibers left on the end face (ferrule) witha blower brush designed for optical lenses.


4.4 Cleaning26

4.4.3 Cleaning Cable Connector

Use the 9738 OPTICAL CONNECTOR CLEANERto clean the connector of the optical fiber cable.

1. Squeeze the lever of the 9738 OPTICAL CON-NECTOR CLEANER and the shutter will open,revealing the cleaning cloth.

2. While squeezing the lever, gently press the endof the optical connector against the cleaningsurfaces (cleaners held in the slot shown) at aright angle. Slide the connector once in thedirection of the arrow marked on the cleaners.

3. Slide the connector once per cleaning surface.There are two cleaning surfaces; thus slide theconnector a total of two times. Release the leverand the shutter will shut.

When cleaning the end of the optical connector, donot apply too much force with the cleaning cloth.This may result in damage to the connector andthe 3662-20/3663-20 may consequently fail to sat-isfy performance specifications.

1

2Cleaning surface


274.5 Service

• If the product seems to be malfunctioning, con-firm that the batteries are not discharged, andthat the optical fiber cables are not open circuitedbefore contacting your dealer or Hioki represen-tative.

• When sending the product for repair, remove thebatteries and pack carefully to prevent damagein transit. Include cushioning material so theinstrument cannot move within the package. Besure to include details of the problem. Hioki can-not be responsible for damage that occurs duringshipment.

4.5 Service

4.5 Service28

295.1 Options

9730 CARRYING CASEThe carrying case houses the 3661-20 OPTICALPOWER METER, 3662-20/3663-20 LASERLIGHT SOURCE, connector adapters, referencecable, and 9738 OPTICAL CONNECTORCLEANER.

9733 FC CONNECTOR ADAPTERFC connector adapter for the 3662-20/3663-20LASER LIGHT SOURCE (with dust-cap attached)

Appendix Chapter 55.1 Options

5.1 Options30

9734 SC CONNECTOR ADAPTERSC connector adapter for the 3662-20/3663-20LASER LIGHT SOURCE (with dust-cap attached).

9735 FC-FC OPTICAL FIBER CABLEFC-to-FC reference cable (Length: 2 m)

9736 SC-SC OPTICAL FIBER CABLESC-to-SC reference cable (Length: 2 m)

315.1 Options

9737 SC-FC OPTICAL FIBER CABLESC-to-FC reference cable (Length: 2 m)

Hioki's optional optical fiber cables (9735, 9736and 9737) are optical fiber cables with an ordinaryoptical connector. (They are not equipped with amaster optical connector.)

9735/9736/9737 OPTICAL FIBER CABLESpecificationsCable 1.3 μm-band single-mode optical

fiber cableConnection loss

0.5 dB or less

Return loss 45.0 dB or moreMinimum bending radius

30 mm (Do not allow to remainbent for a long time.)

5.1 Options32

9738 OPTICAL CONNECTOR CLEANERCleaner for optical fiber cable connector

9739 SPARE CLEANER Refill for the 9738 OPTICAL CONNECTORCLEANER (6-rolls)

HIOKI 3662-20,3663-20 LASER LIGHT SOURCEInstruction Manual

Publication date: September 2006 Revised edition 2

Edited and published by HIOKI E.E. CORPORATION Technical Support Section

All inquiries to International Sales and Marketing De-partment 81 Koizumi, Ueda, Nagano, 386-1192, Japan TEL: +81-268-28-0562 / FAX: +81-268-28-0568 E-mail: [email protected] URL http://www.hioki.co.jp/

Printed in Japan 3662A981-02

• All reasonable care has been taken in the production of this manual, but if you find any points which are unclear or in error, please contact your supplier or the International Sales and Marketing Department at HIOKI headquarters.

• In the interests of product development, the contents of this manual are subject to revision without prior notice.

• Unauthorized reproduction or copying of this manual is prohibited.

Printed on recycled paper

3662A981-02 06-09H

HEAD OFFICE81 Koizumi, Ueda, Nagano 386-1192, JapanTEL +81-268-28-0562 / FAX +81-268-28-0568E-mail: [email protected] http://www.hioki.co.jp/HIOKI USA CORPORATION6 Corporate Drive, Cranbury, NJ 08512, USATEL +1-609-409-9109 / FAX +1-609-409-9108

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